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Cutler Hammer CN55SN3A - NEMA 5 Reversing Contactor 270A 600V

Cutler Hammer
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Cutler Hammer CN55SN3A is a NEMA Size 5 reversing contactor designed for heavy-duty motor control and protection in industrial three-phase systems. It features a 600V voltage rating and a 270A full load current capacity, housed within a robust enclosure measuring 7.78" x 13.12" x 7.05" (LxHxW) and weighing 65 lb. The unit is CSA and UL listed, ensuring compliance with key North American safety standards, and operates reliably across a wide temperature range from -25°C to 70°C (-13°F to 158°F). Its reversing configuration and horsepower ratings—including 200 HP at 480V—make it suitable for applications such as industrial machinery, pumps, and conveyors requiring controlled forward and reverse motor operation.

Key Features & Specifications
  • Type: NEMA Size 5 Reversing Contactor with 1NO/1NC auxiliary contacts and a 110 VAC coil
  • Voltage Rating: 600V AC
  • Current Rating: 270A Full Load
  • Phase: 3
  • Poles: 3
  • Configuration: Reversing
  • Horse Power: 75 HP @ 208V, 100 HP @ 240V, 200 HP @ 480V
  • Coil Voltage: 110-120 VAC
  • Dimensions: 7.78 in (Depth) x 13.12 in (Height) x 7.05 in (Width)
  • Weight: 65 lb
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Standards: CSA, UL Listed
  • Family: Freedom Series
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 782113604183
  • GTIN: 00782113604183